21 SeriesPlain (no gear)Kaydon 18291001
21P.0414.20.000 Slewing Ring Bearing
21 Series slewing ring bearing, plain (no gear), 518 mm OD × 304 mm ID. Interchangeable with Kaydon 18291001.
Specifications
| SlewPro part number | 21P.0414.20.000 |
|---|---|
| Series | 21 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | Plain (no gear) |
| Raceway diameter | 414 mm (16.30 in) |
| Outside diameter | 517.9 mm (20.39 in) |
| Inside diameter | 304 mm (11.97 in) |
| Overall height | 56 mm (2.20 in) |
| Outer ring height | 46 mm (1.81 in) |
| Inner ring height | 46 mm (1.81 in) |
| Outer ring bore | 412 mm (16.22 in) |
| Inner ring outside diameter | 410 mm (16.14 in) |
| All diameters on drawing | 20.39 in (517.9 mm), 17.87 in (453.9 mm), 16.22 in (412.0 mm), 16.14 in (410.0 mm), 14.49 in (368.0 mm), 11.97 in (304.0 mm) |
| All heights on drawing | 2.205 in (56.0 mm), 1.811 in (46.0 mm), 1.103 in (28.0 mm), 0.47 in (11.9 mm) |
| Approx. weight | 58.0 lb (26 kg) |
Dimensions from our 3D model; confirm against the certified drawing. Load ratings and life calculations available from our engineers.
Crosses to
| Kaydon | 18291001 |
|---|
Interchange based on published dimensions; our engineers confirm fit before quoting.
CAD & documents
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Standard lead time 14–16 weeks; expediting available for an additional charge. Pricing quoted within 1–2 business days. Matching pinions available.
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